<div class="ff" style="background-color: ghostwhite;"><div style="height: 100px; width: 300px;background-image: url(../img/1.jpg);"><br>//（1）读取所有给店主发过信息的联系人界面,包括头像和姓名<?php$uid = $_SESSION["uid"];       $sql = "select * from users where uid='{$uid}'";$arr = $db->query($sql);foreach($arr as $v){              echo "<div style='height:100px;width:100px;float:left;text-align:center;line-height:100px'><img src='{$v[6]}' height='80px' width='80px'/></div><div style='height:100px;width:200px;float:left;'><div style='height:40px;width:200px;text-align:left;line-height:40px'>{$v[2]}</div><div style='height:60px;width:200px;'>个性签名：<input type='text' placeholder='不读书怎么对得起今天!' style='width:180px'></div>   </div>"; }          ?></div><div style="height: 30px; width: 300px;text-align:center;line-height:30px;border-bottom:2px solid grey;background-color: ghostwhite;">我的联系人</div><div style="height: 470px; width: 300px;"><?php$uid = $_SESSION["uid"];if($uid=="zhangsan"){   //读取所有给张三发过信息的联系人，并按发送时间的降序排序                  $sql2="select * from duihua where jsid='{$uid}' group by uid order by dhtime desc";            $arr2= $db->query($sql2);   foreach($arr2 as $n){<br>                                 //从users表中读取中文姓名$sql3 = "select * from users where uid='{$n[2]}' ";$arr3=$db->query($sql3);    //从对话表中读取不同联系人未读信息的条数，$sql4 = "select count(*) from duihua where uid='{$n[2]}' and isok='0'";$shumu =$db->strquery($sql4);                                                                           echo "<div style='height:70px; width: 300px;border-bottom:2px solid grey;background-color:ghostwhite' class='guke dh' aaa='{$n[2]}'><div  style='height:70px; width: 100px; float:left;'><div style='height:50px;width:50px;margin:10px auto; border-radius:10px;overflow:hidden'><img src='{$arr3[0][6]}' height='50px' width='50px'/></div></div>";      <br>//如果有未读消息，则显示“XXX，有。。。条未读，红字”              if($shumu>0){                   echo"<div  style='height:70px; width: 100px;float:left;line-height:80px'>{$arr3[0][2]} <span style='font-size:12px;color:red'>有{$shumu}新消息！</span></div></div>";                         }<br>//否则，则只显示XXX，和“清空”按钮else{echo"<div style='height:70px; width: 100px;float:left;line-height:80px'>{$arr3[0][2]} </div><div class='qk' ccc='{$n[2]}' style='height:70px; width:50px;line-height:80px;float:right'><button type='button' class='btn btn-danger' style='height:30px;width:50px' οnclick=\"return confirm('确认清空该聊天记录吗？')\">清空</button></div></div>";  }}}      ?></div>       </div>

  $(".ff").mousedown(function(e){//设置移动后的默认位置var endx=0;var endy=0;//获取div的初始位置，要注意的是需要转整型，因为获取到值带pxvar left= parseInt($(".ff").css("left"));var top = parseInt($(".ff").css("top"));//获取鼠标按下时的坐标，区别于下面的es.pageX,es.pageYvar downx=e.pageX;var downy=e.pageY;     //pageY的y要大写，必须大写！！//    鼠标按下时给div挂事件$(".ff").bind("mousemove",function(es){//es.pageX,es.pageY:获取鼠标移动后的坐标var endx= es.pageX-downx+left;     //计算div的最终位置var endy=es.pageY-downy+top;//带上单位$(".ff").css("left",endx+"px").css("top",endy+"px")   });
})$(".ff").mouseup(function(){//鼠标弹起时给div取消事件$(".ff").unbind("mousemove")})

<script>$(".guke").dblclick(function(){var aaa=$(this).attr("aaa");   $.ajax({url:"yidu-cl.php",data:{yh:aaa},type:"POST",dataType:"TEXT",success: function(data){                   window.location.href="ht-dh.php";              }          });})</script>

<?php
session_start();
require "DBDA.class.php";
$db = new DBDA();
$uid=$_SESSION["uid"];$yh=$_POST["yh"];<br>//存一下
$_SESSION["cuid"]=$yh;
$sql = "update duihua set isok='1' where uid='{$yh}' and jsid='{$uid}'";
echo $sql;
$db->query($sql,0);
?>

<div id="zhongjian"><!--对话--><div id="mid">
<!--判断是否已经存了cuid,注意一点，这是前半部分代码；后半部分代码在最后边；不然会报错的！！！！--><?phpif(!empty($_SESSION["cuid"])){?><div id="kuangjia" style="background-color: whitesmoke;height: 550px;width: 620px;margin: 0px auto;border: 1px solid gainsboro; "><div id="neirong" style="height: 400px;width: 620px;"><div style="height: 100px;width: 620px;background-image: url(../img/bj4.jpg);">
<!--取存的cuid，显示该联系人的头像姓名等信息--><?php$cuid = $_SESSION["cuid"];$sql3 = "select * from users where uid='{$cuid}'";$arr3 = $db->query($sql3);foreach($arr3 as $c){              echo "<div style='height:100px;float:left;width:100px;float:left;'><div style='border:2px solid grey;height:84px;width:84px;margin:7px auto; border-radius:10px;overflow:hidden'><img src='{$c[6]}' height='80px' width='80px'/></div></div><div style='height:100px;width:500px;float:left;'><div style='height:50px;width:500px;text-align:left;line-height:50px'>{$arr3[0][2]}</div>           <div style='height:50px;width:500px;text-align:left;'>个性签名：<input type='text' placeholder='店主，便宜点!' style='width:280px'>                                </div></div>"; }          ?></div>       <!--读取聊天内容--><div style="height: 300px;width: 620px;overflow: auto;overflow-x:hidden ;"><?php$cuid = $_SESSION["cuid"];$sql4 = "select * from users where uid='{$cuid}'";$arr4 = $db->query($sql4);$sql5="select * from duihua where uid='{$cuid}' or jsid='{$cuid}' order by dhtime";                $arr5= $db->query($sql5);foreach($arr5 as $f){//该联系人的信息显示在左侧，和前台相反if($f[2]==$cuid){echo "<div style='height:100px;width:600px;'><div style='height:100px;width:300px;float:left'><div style='height:20px;width:300px;font-size:13px;padding-left:20px'>{$f[6]}</div><div style='height:80px;width:50px;float:left'><div style='height:50px;width:50px;margin:0px auto; border-radius:90px;overflow:hidden;'><img src='{$arr4[0][6]}' height='50px' width='50px'/></div></div><div style='min-height:40px;width:250px;float:left;background-color:pink; border-bottom-right-radius: 10px;border-top-right-radius: 10px;border-top-left-radius: 40px;border-bottom-left-radius: 40px;'><p style='padding-left:20px; line-height:40px'>{$f[4]}</p>                              </div>                   </div></div>";}      //如果是店主，则显示在右侧         if($f[2]=='zhangsan'){                                              echo "<div style='height:100px;width:600px;margin-right:20px'><div style='height:100px;width:300px; float:right'><div style='height:20px;width:300px;font-size:13px;padding-right:20px'>{$f[6]}</div><div style='height:80px;width:50px;float:right'><div style='height:50px;width:50px;margin:0px auto; border-radius:90px;overflow:hidden;'><img src='{$v[6]}' height='50px' width='50px'/></div></div><div style='min-height:40px;width:250px;float:right;background-color:cornflowerblue; border-bottom-left-radius: 10px;border-top-left-radius: 10px;border-top-right-radius: 40px;border-bottom-right-radius: 40px;'><p style='padding-left:20px; line-height:40px'>{$f[4]}</p>                              </div>                   </div></div>"; }                  }      ?>                      </div>       </div> <!--id="neirong"--><form role="form"><div class="form-group"><textarea class="form-control" rows="3" id="words"></textarea></div></form><div id="fs" style="height: 50px; width: 600px;text-align: right; padding-right: 50px;"><button type="button" class="btn btn-success guanbi"  bbb="<?php  echo $cuid;  ?>" >关闭</button><button type="button" class="btn btn-success fasong">发送</button></div></div>
<!--是最开始判断是否为空的结尾--> <?php}?></div>    <!--id=mid-->
</div> <!--id=zhongjian-->

$(".qk").click(function(){var ccc=$(this).attr("ccc");$.ajax({url:"qk-cl.php",data:{yh:ccc},type:"POST",dataType:"TEXT",success: function(data){   alert("删除成功！");            window.location.href="ht-dh.php";              }          });})

<?php
session_start();
require "DBDA.class.php";
$db = new DBDA();
$uid=$_POST["yh"];
$sql = "delete from duihua where uid='{$uid}'";
$db->query($sql,0);